NASDAQ:EXPO | Historical Stock Price | EXPONENT INC

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
1990-08-17 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$0.49$1.53$4.78$14.93$46.62$145.611990-08-172026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 2005

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2005-12-30$3.55$3.55110,400
2005-12-29$3.60$3.60124,000
2005-12-28$3.63$3.6342,400
2005-12-27$3.61$3.61196,000
2005-12-23$3.53$3.5367,200
2005-12-22$3.55$3.5571,200
2005-12-21$3.49$3.4874,400
2005-12-20$3.48$3.47213,600
2005-12-19$3.49$3.4969,600
2005-12-16$3.50$3.50368,800
2005-12-15$3.45$3.45100,800
2005-12-14$3.49$3.4987,200
2005-12-13$3.51$3.5169,600
2005-12-12$3.54$3.54145,600
2005-12-09$3.53$3.53254,400
2005-12-08$3.50$3.50122,400
2005-12-07$3.53$3.53453,600
2005-12-06$3.53$3.53154,400
2005-12-05$3.51$3.5040,000
2005-12-02$3.46$3.46199,200
2005-12-01$3.51$3.51132,000
2005-11-30$3.42$3.4276,000
2005-11-29$3.47$3.4648,800
2005-11-28$3.48$3.4837,600
2005-11-25$3.61$3.6162,400
2005-11-23$3.62$3.6253,600
2005-11-22$3.63$3.6380,800
2005-11-21$3.56$3.5641,600
2005-11-18$3.61$3.6141,600
2005-11-17$3.61$3.6131,200
2005-11-16$3.52$3.5286,400
2005-11-15$3.55$3.5527,200
2005-11-14$3.62$3.6260,000
2005-11-11$3.63$3.63281,600
2005-11-10$3.63$3.63111,200
2005-11-09$3.63$3.6371,200
2005-11-08$3.43$3.4324,000
2005-11-07$3.49$3.4960,000
2005-11-04$3.51$3.50163,200
2005-11-03$3.59$3.59172,800
2005-11-02$3.63$3.63260,800
2005-11-01$3.61$3.6196,000
2005-10-31$3.60$3.60165,600
2005-10-28$3.53$3.53175,200
2005-10-27$3.52$3.5271,200
2005-10-26$3.58$3.5871,200
2005-10-25$3.62$3.6268,000
2005-10-24$3.72$3.7190,400
2005-10-21$3.70$3.7086,400
2005-10-20$3.64$3.64105,600
2005-10-19$3.71$3.70556,000
2005-10-18$3.65$3.65230,400
2005-10-17$3.69$3.69109,600
2005-10-14$3.75$3.7523,200
2005-10-13$3.69$3.6851,200
2005-10-12$3.60$3.6064,000
2005-10-11$3.59$3.59105,600
2005-10-10$3.69$3.6980,000
2005-10-07$3.74$3.7460,800
2005-10-06$3.67$3.67130,400
2005-10-05$3.76$3.7684,800
2005-10-04$3.83$3.83107,200
2005-10-03$3.83$3.83113,600
2005-09-30$3.92$3.92374,400
2005-09-29$3.81$3.81194,400
2005-09-28$3.70$3.70243,200
2005-09-27$3.68$3.6745,600
2005-09-26$3.65$3.65127,200
2005-09-23$3.57$3.5722,400
2005-09-22$3.53$3.5360,800
2005-09-21$3.68$3.6862,400
2005-09-20$3.70$3.7064,000
2005-09-19$3.70$3.7067,200
2005-09-16$3.69$3.69398,400
2005-09-15$3.61$3.6158,400
2005-09-14$3.59$3.5935,200
2005-09-13$3.60$3.6019,200
2005-09-12$3.69$3.6976,000
2005-09-09$3.72$3.7152,000
2005-09-08$3.62$3.6245,600
2005-09-07$3.74$3.7417,600
2005-09-06$3.71$3.7134,400
2005-09-02$3.58$3.5821,600
2005-09-01$3.72$3.7264,800
2005-08-31$3.75$3.75109,600
2005-08-30$3.50$3.5047,200
2005-08-29$3.49$3.4952,800
2005-08-26$3.46$3.4670,400
2005-08-25$3.52$3.5230,400
2005-08-24$3.49$3.4934,400
2005-08-23$3.55$3.5545,600
2005-08-22$3.50$3.5037,600
2005-08-19$3.51$3.5133,600
2005-08-18$3.50$3.5052,000
2005-08-17$3.55$3.5528,000
2005-08-16$3.55$3.55180,800
2005-08-15$3.71$3.7162,400
2005-08-12$3.44$3.44139,200
2005-08-11$3.45$3.45110,400
2005-08-10$3.49$3.4932,000
2005-08-09$3.60$3.609,600
2005-08-08$3.63$3.6347,200
2005-08-05$3.66$3.6637,600
2005-08-04$3.75$3.7583,200
2005-08-03$3.82$3.8260,800
2005-08-02$3.81$3.81112,800
2005-08-01$3.77$3.77112,000
2005-07-29$3.72$3.7269,600
2005-07-28$3.76$3.7685,600
2005-07-27$3.68$3.67120,000
2005-07-26$3.75$3.75136,000
2005-07-25$3.75$3.75212,000
2005-07-22$3.76$3.76230,400
2005-07-21$3.56$3.56127,200
2005-07-20$3.64$3.64230,400
2005-07-19$3.67$3.67352,000
2005-07-18$3.48$3.4840,800
2005-07-15$3.50$3.5086,400
2005-07-14$3.46$3.4648,800
2005-07-13$3.46$3.4690,400
2005-07-12$3.50$3.5024,800
2005-07-11$3.52$3.52193,600
2005-07-08$3.56$3.55104,000
2005-07-07$3.45$3.45118,400
2005-07-06$3.60$3.6066,400
2005-07-05$3.68$3.67161,600
2005-07-01$3.59$3.59221,600
2005-06-30$3.57$3.5742,400
2005-06-29$3.60$3.6097,600
2005-06-28$3.59$3.59180,000
2005-06-27$3.61$3.60549,600
2005-06-24$3.64$3.641,111,200
2005-06-23$3.57$3.5797,600
2005-06-22$3.61$3.61152,800
2005-06-21$3.54$3.5482,400
2005-06-20$3.50$3.50188,000
2005-06-17$3.56$3.56220,000
2005-06-16$3.57$3.57278,400
2005-06-15$3.50$3.50115,200
2005-06-14$3.44$3.43126,400
2005-06-13$3.49$3.49127,200
2005-06-10$3.40$3.3988,000
2005-06-09$3.50$3.50124,800
2005-06-08$3.27$3.27108,000
2005-06-07$3.31$3.31171,200
2005-06-06$3.13$3.1316,800
2005-06-03$3.15$3.1538,400
2005-06-02$3.19$3.1955,200
2005-06-01$3.13$3.1363,200
2005-05-31$3.10$3.1043,200
2005-05-27$3.12$3.1257,600
2005-05-26$3.13$3.1348,800
2005-05-25$3.13$3.13220,000
2005-05-24$3.13$3.12325,600
2005-05-23$3.08$3.08180,000
2005-05-20$3.00$2.99115,200
2005-05-19$2.99$2.9997,600
2005-05-18$3.01$3.01125,600
2005-05-17$2.99$2.9910,400
2005-05-16$2.99$2.99102,400
2005-05-13$2.99$2.99145,600
2005-05-12$3.05$3.0553,600
2005-05-11$3.03$3.03176,800
2005-05-10$3.03$3.03108,000
2005-05-09$3.10$3.10188,800
2005-05-06$3.10$3.10217,600
2005-05-05$3.07$3.07540,800
2005-05-04$3.08$3.08483,200
2005-05-03$3.00$3.00220,800
2005-05-02$3.00$3.00258,400
2005-04-29$2.98$2.98284,000
2005-04-28$2.97$2.97383,200
2005-04-27$3.01$3.01136,000
2005-04-26$3.07$3.07201,600
2005-04-25$3.07$3.07345,600
2005-04-22$3.07$3.07268,800
2005-04-21$3.08$3.08248,000
2005-04-20$3.06$3.06120,800
2005-04-19$3.06$3.06102,400
2005-04-18$2.94$2.9448,800
2005-04-15$2.93$2.9368,800
2005-04-14$2.94$2.9472,000
2005-04-13$2.98$2.9834,400
2005-04-12$3.06$3.0681,600
2005-04-11$3.00$3.0064,000
2005-04-08$3.02$3.0259,200
2005-04-07$3.16$3.1628,000
2005-04-06$3.16$3.1638,400
2005-04-05$3.10$3.1073,600
2005-04-04$3.05$3.05131,200
2005-04-01$2.98$2.98350,400
2005-03-31$2.99$2.99238,400
2005-03-30$2.99$2.9981,600
2005-03-29$2.99$2.99344,800
2005-03-28$2.98$2.98312,000
2005-03-24$2.99$2.99642,400
2005-03-23$2.97$2.97263,200
2005-03-22$2.95$2.94472,000
2005-03-21$2.98$2.98191,200
2005-03-18$2.97$2.97507,200
2005-03-17$2.99$2.99635,200
2005-03-16$2.93$2.92385,600
2005-03-15$2.92$2.92399,200
2005-03-14$2.91$2.9170,400
2005-03-11$2.91$2.91102,400
2005-03-10$2.97$2.9728,800
2005-03-09$3.00$3.00104,800
2005-03-08$3.03$3.03128,000
2005-03-07$3.07$3.0740,000
2005-03-04$3.27$3.26152,000
2005-03-03$3.16$3.16363,200
2005-03-02$3.07$3.07128,000
2005-03-01$3.05$3.05168,800
2005-02-28$3.02$3.02161,600
2005-02-25$2.94$2.94220,800
2005-02-24$2.97$2.9784,800
2005-02-23$2.96$2.96116,800
2005-02-22$2.94$2.94439,200
2005-02-18$2.94$2.94515,200
2005-02-17$2.93$2.92353,600
2005-02-16$2.99$2.98834,400
2005-02-15$2.88$2.881,128,800
2005-02-14$2.92$2.92168,000
2005-02-11$2.95$2.95164,000
2005-02-10$2.95$2.95304,800
2005-02-09$2.92$2.92800,000
2005-02-08$2.86$2.86235,200
2005-02-07$2.87$2.871,062,400
2005-02-04$2.89$2.891,723,200
2005-02-03$3.10$3.1064,800
2005-02-02$3.09$3.09271,200
2005-02-01$3.05$3.05173,600
2005-01-31$3.12$3.12135,200
2005-01-28$3.09$3.09164,800
2005-01-27$3.12$3.12157,600
2005-01-26$3.13$3.12146,400
2005-01-25$3.12$3.12124,000
2005-01-24$3.12$3.12253,600
2005-01-21$3.17$3.1751,200
2005-01-20$3.19$3.19117,600
2005-01-19$3.19$3.1992,000
2005-01-18$3.25$3.25247,200
2005-01-14$3.24$3.241,052,800
2005-01-13$3.64$3.64211,200
2005-01-12$3.68$3.6826,400
2005-01-11$3.69$3.69145,600
2005-01-10$3.61$3.61724,000
2005-01-07$3.49$3.4976,800
2005-01-06$3.51$3.51231,200
2005-01-05$3.52$3.5198,400
2005-01-04$3.43$3.43192,000
2005-01-03$3.43$3.43114,400